Home / 38,079.67-57,156.42-18,372.07

Finding the Fourth Proportional to 38,079.67, 57,156.42 and 18,372.07

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Solution

The fourth proportional to 38,079.67, 57,156.42 and 18,372.07 is: 27,575.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,079.67 : 57,156.42 = 18,372.07 : x
  2. Step 2: Convert to fraction form
    38,079.67/57,156.42 = 18,372.07/x
  3. Step 3: Cross multiply
    38,079.67x = 57,156.42 × 18,372.07
  4. Step 4: Simplify right side
    38,079.67x = 1,050,081,749.19
  5. Step 5: Solve for x
    x = 1,050,081,749.19/38,079.67
  6. Step 6: Final answer
    x = 27,575.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.